////   This file contains the C++ code from Program 13.12 of//   "Data Structures and Algorithms//    with Object-Oriented Design Patterns in C++"//   by Bruno R. Preiss.////   Copyright (c) 1998 by Bruno R. Preiss, P.Eng.  All rights reserved.////   http://www.pads.uwaterloo.ca/Bruno.Preiss/books/opus4/programs/pgm13_12.cpp//BuddyPool::BuddyPool (size_t bytes) :    m (Log2Ceil (bytes)),    numberOfBlocks ((1 << m) / sizeof (Block)),    pool (new Block [numberOfBlocks + m + 1]),    sentinel (pool + numberOfBlocks){    for (unsigned int i = 0; i <= m; ++i)    {	sentinel [i].link.next = &sentinel [i];	sentinel [i].link.prev = &sentinel [i];    }    Block& head = pool [0];    head.status = free;    head.k = m;    InsertAfter (sentinel [m], head);}BuddyPool::~BuddyPool ()    { delete [] pool; }